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#1
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Proper data for 2N2222 and PN2222
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#2
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Proper data for 2N2222 and PN2222
ChairmanOfTheBored wrote: Eeyore wrote: Take note, idiot, that the plastic cased part derates for every degree over 25C fairly rapidly. That relects the Tj max of 150C. So, IF you sink it well enough, it will do 626mW, HOWEVER, since it is NOT at 25C from the onset of dissipation effects, that value is bogus for free air operation. I don't expect you to understand, however. That's complete nonsense. As to be expected from you. Graham |
#3
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Proper data for 2N2222 and PN2222
Eeyore wrote:
ChairmanOfTheBored wrote: Eeyore wrote: Take note, idiot, that the plastic cased part derates for every degree over 25C fairly rapidly. That relects the Tj max of 150C. So, IF you sink it well enough, it will do 626mW, HOWEVER, since it is NOT at 25C from the onset of dissipation effects, that value is bogus for free air operation. I don't expect you to understand, however. That's complete nonsense. As to be expected from you. Graham Notice that at 600mA (*absolute* max per data sheet), the maximum Vce is rather close to 1V as well as close to "saturation"? Hey, if i am going to use a transistor as a switch, i will have to a lot better than that! And in the linear region, well, let us say that large currents are not conducive to cool sand. |
#4
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Proper data for 2N2222 and PN2222
Robert Baer wrote: Eeyore wrote: ChairmanOfTheBored wrote: Eeyore wrote: Take note, idiot, that the plastic cased part derates for every degree over 25C fairly rapidly. That relects the Tj max of 150C. So, IF you sink it well enough, it will do 626mW, HOWEVER, since it is NOT at 25C from the onset of dissipation effects, that value is bogus for free air operation. I don't expect you to understand, however. That's complete nonsense. As to be expected from you. Notice that at 600mA (*absolute* max per data sheet), the maximum Vce is rather close to 1V as well as close to "saturation"? Hey, if i am going to use a transistor as a switch, i will have to a lot better than that! There's no shortage of better devices to use as switches than a 2N2222. Graham |
#5
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Proper data for 2N2222 and PN2222
Eeyore wrote:
There's no shortage of better devices to use as switches than a 2N2222. There is no shortage of your ignorance on USENET, as usual. -- Service to my country? Been there, Done that, and I've got my DD214 to prove it. Member of DAV #85. Michael A. Terrell Central Florida |
#6
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Proper data for 2N2222 and PN2222
"Michael A. Terrell" wrote: Eeyore wrote: There's no shortage of better devices to use as switches than a 2N2222. There is no shortage of your ignorance on USENET, as usual. Good Lord ! Since when did YOU know anything about the subject under discussion ? Graham |
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